# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       王景渊  
# Name:         2.4
# Description:
# Author:       dell
# Date:         2019/ajaxdata.json/16
#-------------------------------------------------------------------------------
print(2 + 4)
print(126 - 654)
print(6 + 20 * 4)
print((20 + 54) * 20)
print(1/2)
print(1//2)
print(3/2)
print(3//2)
print(4**3)
print(3 + 5 * -3 ** 4 - (-5)**2)
x = 30
y = 50
k = 10.2
print(x + y * k)
